panproto_inst/
edit_error.rs

1//! Error types for edit operations on instances.
2
3/// Errors from applying edits to instances.
4#[derive(Debug, thiserror::Error)]
5#[non_exhaustive]
6pub enum EditError {
7    /// A node ID was referenced but not found in the instance.
8    #[error("node not found: {0}")]
9    NodeNotFound(u32),
10
11    /// The node's anchor does not match what the edit expected.
12    #[error("anchor mismatch at node {node_id}: expected {expected}, got {actual}")]
13    AnchorMismatch {
14        /// The node ID.
15        node_id: u32,
16        /// The expected anchor.
17        expected: String,
18        /// The actual anchor.
19        actual: String,
20    },
21
22    /// A fan (hyper-edge instance) was not found.
23    #[error("fan not found for hyper-edge: {0}")]
24    FanNotFound(String),
25
26    /// General edit application failure.
27    #[error("edit apply failed: {0}")]
28    ApplyFailed(String),
29
30    /// A field transform failed during edit application.
31    #[error("field transform failed: {0}")]
32    FieldTransformFailed(String),
33
34    /// A table was not found in a functor instance.
35    #[error("table not found: {0}")]
36    TableNotFound(String),
37
38    /// A row was not found in a functor instance table.
39    #[error("row not found in table {table}: key {key}")]
40    RowNotFound {
41        /// The table name.
42        table: String,
43        /// The row key that was not found.
44        key: String,
45    },
46
47    /// The edit would create a cycle in a tree-shaped instance.
48    #[error("cycle detected: moving node {node_id} under {new_parent} would create a cycle")]
49    CycleDetected {
50        /// The node being moved.
51        node_id: u32,
52        /// The proposed new parent.
53        new_parent: u32,
54    },
55
56    /// The parent node does not exist for an insert operation.
57    #[error("parent node not found: {0}")]
58    ParentNotFound(u32),
59
60    /// A child ID already exists in the instance.
61    #[error("duplicate node ID: {0}")]
62    DuplicateNodeId(u32),
63}
panproto_inst/edit_error.rs

panproto_inst/
edit_error.rs
